First at all, sorry for my English. Im Italian and speak only Italian, but for the rest of people try to write through google translate.

The version of package is only on Italian, for the other languages please install first this version, and after try to make this step:
download from the original site your langpackhttp://www.openoffice.org/download/index.html
select your languages - version type Linux 32bit(x86) RPM, and press download langpack pack
put this packages on new temporary folder (es. /home/tux/tmp)
goto on new folder and open terminal as root and then

tar -xvf *.gzcd en-US/RPMS (or equivalent folder of your languages)

execute all command on this script (copy and paste, or create new script)